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-   -   ARP rod bolt stretch DIMENSION for a 3.2 (http://forums.pelicanparts.com/911-engine-rebuilding-forum/977849-arp-rod-bolt-stretch-dimension-3-2-a.html)

Tippy 11-17-2017 06:29 AM
ARP rod bolt stretch DIMENSION for a 3.2
 
Can't find my datasheet for my 3.2 for the proper rod bolt stretch.

Rods are hung, ready for bolt stretch.

Anyone know?

TIA!!!! SmileWavy

75 911s 11-17-2017 07:09 AM
Check this thread

from the thread "As all that I was checking was the required torque to get the .0100 - .0105 stretch"

75 911s 11-17-2017 07:15 AM
Obviously check with ARP and the part number etc. I guess you can torque if you don't have the stretch gauge

Tippy 11-17-2017 07:57 AM
Thank you Duane!

BURN-BROS 11-17-2017 08:36 AM
That stretch spec is for 10mm bolts. You should have 9mm no?

'76 911S 3.0 11-17-2017 10:16 AM
Quote:
Originally Posted by BURN-BROS (Post 9818154)
That stretch spec is for 10mm bolts. You should have 9mm no?
Yes, the 3.2 should be 9mm. Here is the correct doc for the 9mm bolts:

http://forums.pelicanparts.com/uploa...1510946158.jpg

Tippy 11-17-2017 10:51 AM
That's what I remember. Thank you!!!!!

Tippy 11-17-2017 12:45 PM
I went .01025 to split the difference accounting for error.

Trackrash 11-18-2017 04:07 PM
Quote:
Originally Posted by Tippy (Post 9818438)
I went .01025 to split the difference accounting for error.
What are you using to measure to .00005"?

Tippy 11-18-2017 04:34 PM
Quote:
Originally Posted by Trackrash (Post 9819570)
What are you using to measure to .00005"?
My eyeball. ;)

Quarter of the way between 0.010" hash mark and the hash mark after.


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